. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/MEX/181 
2 October 2009 
 (09-4706) 
Committee on Technical Barriers to Trade Original:   Spanish 
  
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:  MEXICO
 
If applicable, name of local government involved (Articles 3.2 and 7.2):   
2. Agency responsible:   Secretaría del Trabajo y Previsión Social  (Ministry of Labour and 
Social Welfare) 
Name and address (including telephone and fax numbers and E-mail and website 
addresses, if available) of  agency or authority designated to handle comments 
regarding the notification shall be  indicated if different from above: 
Comité Consultivo Nacional de Normaliz ación de Seguridad y Salud en el Trabajo 
(National Advisory Committee on Standardiza tion for Occupational Safety and Health) 
Avenida Periférico Sur 4271, edificio "A", nivel 5 Colonia Fuentes del Pedregal, Delegación Tlalpan Código postal 14149, México, D.F. 
Tel.: 3000-2100, Ext. 2241 
Fax: 3000-2217 E-mail: dgsst@stps.gob.mx
 
Website: http://www.stps.gob.mx/  
3. Notified under Article 2.9.2 [ X], 2.10.1 [ ], 5.6.2 [ ], 5.7.1 [ ], other:   
4. Products covered (HS or CCCN where applicable, otherwise national tariff heading. 
ICS numbers may be provided in  addition, where applicable):   Respirators 
5. Title, number of pages and lang uage(s) of the notified document:   Proyecto de 
Modificación de la Norma Oficia l Mexicana NOM-116-STPS-1994, 
Seguridad-Respiradores purificadores de aire contra  partículas nocivas, para quedar como 
PROY-NOM-116-STPS-2009, Respiradores pur ificadores de aire de presión negativa 
contra partículas nocivas-Espec ificaciones y métodos de prueba (Draft Amendment to 
Mexican Official Standard NOM-116-STPS-1994:  Safety.  Air-purifying respirators for 
protection against particulate hazards, the title of which is now as follows:  Draft Mexican 
Official Standard PROY-NOM-116-STPS-2009:  Negative-pressure air-purifying respirators for protection against particulate hazards.  Specifications and test methods) 
(16 pages, in Spanish).  
6. Description of content:   The notified Standard establis hes the characteristics of and 
minimum requirements to be met by negative-pressure air-purifying respirators for 
protection against particulate hazards in the work environment, and applies to the domestic and foreign manufacturers, importers, distributors and resellers of this type of respirator 
who market their products in Mexico.  This Mexi can Official Standard is not applicable to 
air-purifying gas and vapour respirators or to canister respirators. G/TBT/N/MEX/181 
Page 2  
 
  7. Objective and rationale, including the nature of urgent problems where applicable:   - 
8. Relevant documents:   Diario Oficial de la Federación  (Official Journal) of 
22 September 2009.  Available at:  http://www.dof.gob.mx . 
9. Proposed date of adoption: 
Proposed date of entry into force:  }The notified Standard will enter into force 
180 calendar days after publication in the Official Journal. 
10. Final date for comments:   60 calendar days as from the date of publication of the draft in 
the Official Journal. 
11. Texts available from:  National enquiry point [ X] or address, telephone and fax 
numbers, E-mail and website addresses,  if available, of other body:  
Secretaría de Economía 
Subsecretaría de Competitividad y Normatividad 
Dirección General de Normas 
Tel.: (+52) 55 5729 9100, Ext. 43217 Fax: (+52) 55 5520 9715 Website: http://www.economia.gob.mx/?P=865
 
E-mail: normasomc@economia.gob.mx  and figueroa@economia.gob.mx 
Text available at:  http://members.wto.org/crnatt achments/2009/tbt/mex/09_3350_00_s.pdf